Afar sighted person can not see clearly objects that are closer to his eyes than 60.0 cm. which one of the following combinations represents the correct focal length and the refractive power of the contact lenses that will enable him to see the objects at a distance of 25.0 cm from his eyes?
a) -42.9 cm, +2.33 diopters
b) -42.9 cm, -2.33 diopters
c) +60 cm, +42.9 diopters
d) +42.9 cm, +2.33 diopters
e) +42.9 cm, -2.33 diopters

26.4 is about the right time

answer and explanation;

composition refers to both the types of minerals within a rock and the overall chemical makeup of the rock while texture refers to the size and arrangement of the minerals or grains that make up a rock. both composition and texture can be used to classify rocks, such as igneous rocks. texture describes how the rock became solid or crystallized from liquid, melted rock. composition of a rock describes the minerals that make up a particular rock.